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Searched refs:bv_len (Results 1 - 25 of 183) sorted by relevance

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/kernel/linux/linux-6.6/include/linux/
H A Dbvec.h22 * @bv_len: Number of bytes in the address range.
25 * The following holds for a bvec if n * PAGE_SIZE < bv_offset + bv_len:
33 unsigned int bv_len; member
48 bv->bv_len = len; in bvec_set_page()
106 __bvec_iter_bvec((bvec), (iter))->bv_len - (iter).bi_bvec_done)
117 .bv_len = mp_bvec_iter_len((bvec), (iter)), \
136 .bv_len = bvec_iter_len((bvec), (iter)), \
154 while (bytes && bytes >= bv[idx].bv_len) { in bvec_iter_advance()
155 bytes -= bv[idx].bv_len; in bvec_iter_advance()
166 * across multiple bvec entries, i.e. bytes <= bv[i->bi_idx].bv_len
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/kernel/linux/linux-5.10/include/linux/
H A Dbvec.h22 * @bv_len: Number of bytes in the address range.
25 * The following holds for a bvec if n * PAGE_SIZE < bv_offset + bv_len:
33 unsigned int bv_len; member
66 __bvec_iter_bvec((bvec), (iter))->bv_len - (iter).bi_bvec_done)
77 .bv_len = mp_bvec_iter_len((bvec), (iter)), \
96 .bv_len = bvec_iter_len((bvec), (iter)), \
114 while (bytes && bytes >= bv[idx].bv_len) { in bvec_iter_advance()
115 bytes -= bv[idx].bv_len; in bvec_iter_advance()
134 (bvl).bv_len ? (void)bvec_iter_advance((bio_vec), &(iter), \
135 (bvl).bv_len)
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H A Dbio.h87 return bio_iovec(bio).bv_len; in bio_cur_bytes()
152 bio_advance_iter((bio), &(iter), (bvl).bv_len))
161 bio_advance_iter((bio), &(iter), (bvl).bv_len))
175 #define bio_iter_last(bvec, iter) ((iter).bi_size == (bvec).bv_len)
261 if (bv->bv_len == bio->bi_iter.bi_size) in bio_get_last_bvec()
278 bv->bv_len = iter.bi_bvec_done; in bio_get_last_bvec()
/kernel/linux/linux-5.10/lib/
H A Diov_iter.c75 if (!__v.bv_len) \
628 (from += v.bv_len) - v.bv_len, v.bv_len), in _copy_to_iter()
730 (from += v.bv_len) - v.bv_len, v.bv_len); in _copy_mc_to_iter()
764 memcpy_from_page((to += v.bv_len) - v.bv_len, v.bv_page, in _copy_from_iter()
765 v.bv_offset, v.bv_len), in _copy_from_iter()
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/kernel/linux/linux-6.6/drivers/block/
H A Dn64cart.c69 (bv->bv_len & (MIN_ALIGNMENT - 1))); in n64cart_do_bvec()
79 n64cart_write_reg(PI_WRITE_REG, bv->bv_len - 1); in n64cart_do_bvec()
83 dma_unmap_page(dev, dma_addr, bv->bv_len, DMA_FROM_DEVICE); in n64cart_do_bvec()
99 pos += bvec.bv_len; in n64cart_submit_bio()
/kernel/linux/linux-5.10/block/
H A Dbounce.c81 memcpy(vto + to->bv_offset, vfrom, to->bv_len); in bounce_copy_vec()
88 memcpy(page_address((to)->bv_page) + (to)->bv_offset, vfrom, (to)->bv_len)
148 * fromvec->bv_offset and fromvec->bv_len might have in copy_to_high_bio_irq()
150 * copy, bounce_copy_vec already uses tovec->bv_len in copy_to_high_bio_irq()
158 bio_advance_iter(from, &from_iter, tovec.bv_len); in copy_to_high_bio_irq()
178 bio_advance_iter(bio_orig, &orig_iter, orig_vec.bv_len); in bounce_end_io()
301 sectors += from.bv_len >> 9; in __blk_queue_bounce()
338 memcpy(vto, vfrom, to->bv_len); in __blk_queue_bounce()
H A Dblk-map.c56 bvec->bv_len, in bio_copy_from_iter()
62 if (ret < bvec->bv_len) in bio_copy_from_iter()
87 bvec->bv_len, in bio_copy_to_iter()
93 if (ret < bvec->bv_len) in bio_copy_to_iter()
359 len += bio->bi_io_vec[i].bv_len; in bio_invalidate_vmalloc_pages()
445 memcpy(p, page_address(bvec->bv_page), bvec->bv_len); in bio_copy_kern_endio_read()
446 p += bvec->bv_len; in bio_copy_kern_endio_read()
H A Dblk-merge.c204 unsigned len = min(bv->bv_len, max_len); in bvec_split_segs()
224 return len > 0 || bv->bv_len > max_len; in bvec_split_segs()
266 sectors + (bv.bv_len >> 9) <= max_sectors && in blk_bio_segment_split()
267 bv.bv_offset + bv.bv_len <= PAGE_SIZE) { in blk_bio_segment_split()
269 sectors += bv.bv_len >> 9; in blk_bio_segment_split()
328 ((*bio)->bi_io_vec[0].bv_len + in __blk_queue_split()
422 unsigned nbytes = bvec->bv_len; in blk_bvec_map_sg()
457 sg_set_page(*sg, bv.bv_page, bv.bv_len, bv.bv_offset); in __blk_bvec_map_sg()
467 int nbytes = bvec->bv_len; in __blk_segment_map_sg_merge()
503 if (bvec.bv_offset + bvec.bv_len < in __blk_bios_map_sg()
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H A Dblk-integrity.c40 if (seg_size + iv.bv_len > queue_max_segment_size(q)) in blk_rq_count_integrity_sg()
43 seg_size += iv.bv_len; in blk_rq_count_integrity_sg()
47 seg_size = iv.bv_len; in blk_rq_count_integrity_sg()
82 if (sg->length + iv.bv_len > queue_max_segment_size(q)) in blk_rq_map_integrity_sg()
85 sg->length += iv.bv_len; in blk_rq_map_integrity_sg()
95 sg_set_page(sg, iv.bv_page, iv.bv_len, iv.bv_offset); in blk_rq_map_integrity_sg()
H A Dbio.c540 memset(data, 0, bv.bv_len); in zero_fill_bio_iter()
571 if (done + bv.bv_len > new_size) { in bio_truncate()
579 bv.bv_len - offset); in bio_truncate()
582 done += bv.bv_len; in bio_truncate()
742 size_t bv_end = bv->bv_offset + bv->bv_len; in page_is_mergeable()
773 if (len > queue_max_segment_size(q) - bv->bv_len) in bio_try_merge_hw_seg()
824 bvec->bv_len = len; in bio_add_hw_page()
885 bv->bv_len += len; in __bio_try_merge_page()
914 bv->bv_len = len; in __bio_add_page()
970 if (WARN_ON_ONCE(iter->iov_offset > bv->bv_len)) in __bio_iov_bvec_add_pages()
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/kernel/linux/linux-6.6/block/
H A Dblk-integrity.c40 if (seg_size + iv.bv_len > queue_max_segment_size(q)) in blk_rq_count_integrity_sg()
43 seg_size += iv.bv_len; in blk_rq_count_integrity_sg()
47 seg_size = iv.bv_len; in blk_rq_count_integrity_sg()
82 if (sg->length + iv.bv_len > queue_max_segment_size(q)) in blk_rq_map_integrity_sg()
85 sg->length += iv.bv_len; in blk_rq_map_integrity_sg()
95 sg_set_page(sg, iv.bv_page, iv.bv_len, iv.bv_offset); in blk_rq_map_integrity_sg()
H A Dblk-map.c58 bvec->bv_len, in bio_copy_from_iter()
64 if (ret < bvec->bv_len) in bio_copy_from_iter()
89 bvec->bv_len, in bio_copy_to_iter()
95 if (ret < bvec->bv_len) in bio_copy_to_iter()
366 len += bio->bi_io_vec[i].bv_len; in bio_invalidate_vmalloc_pages()
457 p += bvec->bv_len; in bio_copy_kern_endio_read()
600 if (nsegs >= nr_segs || bytes > UINT_MAX - bv->bv_len) in blk_rq_map_user_bvec()
602 if (bytes + bv->bv_len > nr_iter) in blk_rq_map_user_bvec()
604 if (bv->bv_offset + bv->bv_len > PAGE_SIZE) in blk_rq_map_user_bvec()
608 bytes += bv->bv_len; in blk_rq_map_user_bvec()
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H A Dblk-merge.c32 if (bv->bv_len == bio->bi_iter.bi_size) in bio_get_last_bvec()
49 bv->bv_len = iter.bi_bvec_done; in bio_get_last_bvec()
236 unsigned len = min(bv->bv_len, max_len); in bvec_split_segs()
256 return len > 0 || bv->bv_len > max_len; in bvec_split_segs()
295 bytes + bv.bv_len <= max_bytes && in bio_split_rw()
296 bv.bv_offset + bv.bv_len <= PAGE_SIZE) { in bio_split_rw()
298 bytes += bv.bv_len; in bio_split_rw()
466 unsigned nbytes = bvec->bv_len; in blk_bvec_map_sg()
501 sg_set_page(*sg, bv.bv_page, bv.bv_len, bv.bv_offset); in __blk_bvec_map_sg()
511 int nbytes = bvec->bv_len; in __blk_segment_map_sg_merge()
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H A Dbounce.c91 * fromvec->bv_offset and fromvec->bv_len might have in copy_to_high_bio_irq()
93 * copy, bounce_copy_vec already uses tovec->bv_len in copy_to_high_bio_irq()
98 bio_advance_iter(from, &from_iter, tovec.bv_len); in copy_to_high_bio_irq()
118 bio_advance_iter(bio_orig, &orig_iter, orig_vec.bv_len); in bounce_end_io()
214 bytes += from.bv_len; in __blk_queue_bounce()
/kernel/linux/linux-6.6/drivers/md/
H A Ddm-io-rewind.c27 while (idx >= 0 && bytes && bytes > bv[idx].bv_len) { in dm_bvec_iter_rewind()
28 bytes -= bv[idx].bv_len; in dm_bvec_iter_rewind()
41 iter->bi_bvec_done = bv[idx].bv_len - bytes; in dm_bvec_iter_rewind()
H A Ddm-ebs-target.c71 unsigned int bv_len = bv->bv_len; in __ebs_rw_bvec() local
76 if (unlikely(!bv->bv_page || !bv_len)) in __ebs_rw_bvec()
82 while (bv_len) { in __ebs_rw_bvec()
83 cur_len = min(dm_bufio_get_block_size(ec->bufio) - buf_off, bv_len); in __ebs_rw_bvec()
86 if (op == REQ_OP_READ || buf_off || bv_len < dm_bufio_get_block_size(ec->bufio)) in __ebs_rw_bvec()
113 bv_len -= cur_len; in __ebs_rw_bvec()
H A Ddm-log-writes.c367 block->vecs[i].bv_len, 0); in log_one_block()
368 if (ret != block->vecs[i].bv_len) { in log_one_block()
380 block->vecs[i].bv_len, 0); in log_one_block()
381 if (ret != block->vecs[i].bv_len) { in log_one_block()
387 sector += block->vecs[i].bv_len >> SECTOR_SHIFT; in log_one_block()
750 block->vecs[i].bv_len = bv.bv_len; in log_writes_map()
/kernel/linux/linux-5.10/drivers/md/
H A Ddm-ebs-target.c69 unsigned int bv_len = bv->bv_len; in __ebs_rw_bvec() local
74 if (unlikely(!bv->bv_page || !bv_len)) in __ebs_rw_bvec()
80 while (bv_len) { in __ebs_rw_bvec()
81 cur_len = min(dm_bufio_get_block_size(ec->bufio) - buf_off, bv_len); in __ebs_rw_bvec()
84 if (rw == READ || buf_off || bv_len < dm_bufio_get_block_size(ec->bufio)) in __ebs_rw_bvec()
111 bv_len -= cur_len; in __ebs_rw_bvec()
H A Ddm-log-writes.c385 block->vecs[i].bv_len, 0); in log_one_block()
386 if (ret != block->vecs[i].bv_len) { in log_one_block()
402 block->vecs[i].bv_len, 0); in log_one_block()
403 if (ret != block->vecs[i].bv_len) { in log_one_block()
409 sector += block->vecs[i].bv_len >> SECTOR_SHIFT; in log_one_block()
770 memcpy(dst, src + bv.bv_offset, bv.bv_len); in log_writes_map()
774 block->vecs[i].bv_len = bv.bv_len; in log_writes_map()
/kernel/linux/linux-5.10/drivers/md/bcache/
H A Dutil.c244 start: bv->bv_len = min_t(size_t, PAGE_SIZE - bv->bv_offset, in bch_bio_map()
251 base += bv->bv_len; in bch_bio_map()
254 size -= bv->bv_len; in bch_bio_map()
/kernel/linux/linux-5.10/fs/squashfs/
H A Dblock.c47 int bytes_to_copy = min_t(int, bvec->bv_len - offset, in copy_bio_to_actor()
66 if (offset >= bvec->bv_len) { in copy_bio_to_actor()
182 if (offset < bvec->bv_len - 1) { in squashfs_read_data()
/kernel/linux/linux-6.6/drivers/md/bcache/
H A Dutil.c244 start: bv->bv_len = min_t(size_t, PAGE_SIZE - bv->bv_offset, in bch_bio_map()
251 base += bv->bv_len; in bch_bio_map()
254 size -= bv->bv_len; in bch_bio_map()
/kernel/linux/linux-5.10/drivers/s390/block/
H A Ddasd_fba.c471 if (bv.bv_len & (blksize - 1)) in dasd_fba_build_cp_regular()
474 count += bv.bv_len >> (block->s2b_shift + 9); in dasd_fba_build_cp_regular()
475 if (idal_is_needed (page_address(bv.bv_page), bv.bv_len)) in dasd_fba_build_cp_regular()
476 cidaw += bv.bv_len / blksize; in dasd_fba_build_cp_regular()
518 memcpy(copy + bv.bv_offset, dst, bv.bv_len); in dasd_fba_build_cp_regular()
522 for (off = 0; off < bv.bv_len; off += blksize) { in dasd_fba_build_cp_regular()
596 for (off = 0; off < bv.bv_len; off += blksize) { in dasd_fba_free_cp()
607 memcpy(dst, cda, bv.bv_len); in dasd_fba_free_cp()
/kernel/linux/linux-6.6/drivers/s390/block/
H A Ddasd_fba.c462 if (bv.bv_len & (blksize - 1)) in dasd_fba_build_cp_regular()
465 count += bv.bv_len >> (block->s2b_shift + 9); in dasd_fba_build_cp_regular()
466 if (idal_is_needed (page_address(bv.bv_page), bv.bv_len)) in dasd_fba_build_cp_regular()
467 cidaw += bv.bv_len / blksize; in dasd_fba_build_cp_regular()
509 memcpy(copy + bv.bv_offset, dst, bv.bv_len); in dasd_fba_build_cp_regular()
513 for (off = 0; off < bv.bv_len; off += blksize) { in dasd_fba_build_cp_regular()
587 for (off = 0; off < bv.bv_len; off += blksize) { in dasd_fba_free_cp()
598 memcpy(dst, cda, bv.bv_len); in dasd_fba_free_cp()
/kernel/linux/linux-5.10/drivers/block/zram/
H A Dzram_drv.c97 return bvec->bv_len != PAGE_SIZE; in is_partial_io()
132 *index += (*offset + bvec->bv_len) / PAGE_SIZE; in update_position()
133 *offset = (*offset + bvec->bv_len) % PAGE_SIZE; in update_position()
552 if (!bio_add_page(bio, bvec->bv_page, bvec->bv_len, bvec->bv_offset)) { in read_from_bdev_async()
613 bvec.bv_len = PAGE_SIZE; in writeback_store()
668 bio_add_page(&bio, bvec.bv_page, bvec.bv_len, in writeback_store()
1255 bvec.bv_len = PAGE_SIZE; in __zram_bvec_read()
1337 memcpy(dst + bvec->bv_offset, src + offset, bvec->bv_len); in zram_bvec_read()
1492 memcpy(dst + offset, src + bvec->bv_offset, bvec->bv_len); in zram_bvec_write()
1497 vec.bv_len in zram_bvec_write()
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